add pmt in bin directory, runs pmt.py in pymodel directory

also add pymodel_paths and pymodel_symlinks in bin directory
also tweak bin README.md to remind that there are no Windows versions of some scripts

Author: jon-jacky

bin/README.md

@@ -8,9 +8,10 @@ To use PyModel, this directory must be on your execution *PATH*.
 Or, its contents must be installed in some directory that is on your
 execution *PATH*.
 
-There are two versions of some commands.  The version without a
-file type is a *bash* script for Unix/Linux/Mac; the version with
-*.bat* is a batch file for Windows.
+There are two versions of some commands.  The version without a file
+type is a *bash* script for Unix/Linux/Mac; the version with *.bat* is
+a batch file for Windows.  There are no Windows versions of some
+commands.
 
 The commands are:
 

bin/pmt

@@ -0,0 +1,8 @@
+#!/usr/bin/env python
+"""
+This is pmt command in bin directory, runs pmt.py module in pymodel directory
+"""
+
+import pmt  # find pmt.py anywhere on Python path
+
+pmt.main()

bin/pymodel_paths

@@ -0,0 +1,14 @@
+# Assign paths to run PyModel out of PyModel/ development directories
+# Must set both execution path for commands and Python path for modules
+# If you install PyModel, commands and modules may go to some standard place
+#  and you will no longer need these assignments
+
+# execution path to bin, to run PyModel commands: pmt, dotsvg, etc.
+export PATH=$PATH:$HOME/PyModel/bin
+
+# Python path to pymodule, to import PyModel modules: pmt.py etc.
+export PYTHONPATH=$HOME/PyModel/pymodel:$PYTHONPATH
+
+# Python path to current directory (wherever it is), to import modules,
+#  some PyModel command line args are names of modules in current directory
+export PYTHONPATH=.:$PYTHONPATH

bin/pymodel_symlinks

@@ -0,0 +1,12 @@
+# Make symlinks to invoke pmt.py in pymodel directory from pmt in bin directory
+# pmt.py etc. all begin with this "shebang line": #!/usr/bin/env python
+# Only works on Unix systems where pymodel and bin dirs are side-by-side,
+#  will not work in the general case where bin and pymodel are separated.
+# bin directory must be on execution path, pymodel dir must be on Python path
+# This is a stopgap awaiting a more general solution to invoke pmt from pmt.py
+ln -s ../pymodel/pma.py pma
+ln -s ../pymodel/pmg.py pmg
+ln -s ../pymodel/pmt.py pmt
+ln -s ../pymodel/pmv.py pmv
+ln -s ../pymodel/trun.py trun
+ln -s ../pymodel/wsgirunner.py wsgirunner